Add static_new_in_place() marker limit tests

src/tests.rs

@@ -544,6 +544,38 @@ fn validate_back_marker_limits() {
     );
 }
 
+/// Verifies that the available space for tracking markers at the front of a
+/// scratchpad is correctly adjusted as markers set at the back increase when
+/// using a `Scratchpad` created with `static_new_in_place()`.
+#[test]
+fn validate_front_marker_limits_in_place() {
+    unsafe {
+        let mut scratchpad = uninitialized();
+        SimpleScratchpad::static_new_in_place(&mut scratchpad);
+        validate_marker_limits(
+            &scratchpad,
+            |scratchpad| scratchpad.mark_front(),
+            |scratchpad| scratchpad.mark_back(),
+        );
+    }
+}
+
+/// Verifies that the available space for tracking markers at the back of a
+/// scratchpad is correctly adjusted as markers set at the front increase when
+/// using a `Scratchpad` created with `static_new_in_place()`.
+#[test]
+fn validate_back_marker_limits_in_place() {
+    unsafe {
+        let mut scratchpad = uninitialized();
+        SimpleScratchpad::static_new_in_place(&mut scratchpad);
+        validate_marker_limits(
+            &scratchpad,
+            |scratchpad| scratchpad.mark_back(),
+            |scratchpad| scratchpad.mark_front(),
+        );
+    }
+}
+
 /// Verifies `Allocation::unwrap()` doesn't accidentally drop or leak data.
 #[test]
 fn allocation_unwrap_test() {